@Techreport{SW4-v2,
  title = 	 {User's guide to {SW4}, version 2.0},
  author = 	 {N. A. Petersson and B. Sj\"ogreen},
  institution =  {Lawrence Livermore National Laboratory},
  year = 	 {2017},
  number = 	 {LLNL-SM-741439},
  note = 	 {(Source code available from {\tt geodynamics.org/cig})}
}

@Techreport{SW4-install,
  title = 	 {Installing {SW4}, version 2.0},
  author = 	 {N. A. Petersson and B. Sj\"ogreen},
  institution =  {Lawrence Livermore National Laboratory},
  year = 	 {2017},
  number = 	 {LLNL-SM-741310}
}
